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Weather & Climate in St Just, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St Just experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 46°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 42.1 inches. The city sits at an elevation of 413 feet.
Temperature
46°F Jan (8°C)
60°F Jul (15°C)
| Annual Average | 51.7°F |
| 4% below US avg | |
| January Average | 46°F (8°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 413 ft (126 m) |
| Area | 1,219.2 sq mi (3,157.6 km²) |
| Population Density | 161/sq mi |
| Coordinates | 50.1238°N, 5.6807°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 10, 1996 | 19 km S of St Just, United Kingdom | M4.1 | 20 km | 10 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 120 km | 29 km |
| Aug 17, 1995 | 28 km S of Salcombe, United Kingdom | M3.6 | 136 km | 10 km |
| Oct 14, 2002 | 98 km S of Hugh Town, United Kingdom | M3.3 | 132 km | 10 km |
| Jan 19, 2001 | 53 km S of Mullion, United Kingdom | M3.2 | 76 km | 10 km |
| Mar 28, 2005 | 71 km WNW of Porspoder, France | M3.0 | 140 km | 10 km |
| Feb 8, 1998 | 18 km SW of Mullion, United Kingdom | M2.9 | 30 km | 5 km |
| Sep 5, 1999 | 15 km WSW of Salcombe, United Kingdom | M2.9 | 123 km | 5 km |
| Mar 23, 2008 | 38 km NW of St Just, United Kingdom | M2.8 | 38 km | 6 km |
| May 31, 1998 | 38 km WNW of Northam, United Kingdom | M2.8 | 137 km | 15 km |
| Jun 16, 1991 | 17 km SSW of Wembury, United Kingdom | M2.8 | 107 km | 10 km |
| Apr 2, 2000 | 33 km S of Mullion, United Kingdom | M2.7 | 57 km | 10 km |
| Jun 23, 2011 | 4 km WSW of Bovey Tracey, United Kingdom | M2.7 | 147 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 5.2 in | Wettest |
| February | 45°F (7°C) | 4.0 in | Coldest |
| March | 46°F (8°C) | 3.5 in | |
| April | 48°F (9°C) | 2.4 in | |
| May | 52°F (11°C) | 2.3 in | |
| June | 56°F (14°C) | 2.4 in | |
| July | 60°F (15°C) | 2.0 in | Driest |
| August | 61°F (16°C) | 2.8 in | Warmest |
| September | 58°F (14°C) | 3.5 in | |
| October | 54°F (12°C) | 4.2 in | |
| November | 50°F (10°C) | 4.7 in | |
| December | 47°F (8°C) | 5.0 in |
St Just has a seasonal temperature swing of 16°F / from 45°F in February to 61°F in August. Total annual precipitation is 42.0 inches, with January being the wettest month (5.2") and July the driest (2.0").